/*访问后台的代码*/
layui.define([], function(exports) {
    var api = {
        exportBackChargeStat:function(form,callback){
            var formPara = form.serializeJson();
            Common.post("/admin/backChargeStat/excel/export.json", formPara, function(fileId) {
                callback(fileId);
            })
        }

    };

    exports('backChargeStatApi', api);

});